<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to version 1.0 of the Zend Framework
 * license, that is bundled with this package in the file LICENSE.txt, and
 * is available through the world-wide-web at the following URL:
 * http://framework.zend.com/license/new-bsd. If you did not receive
 * a copy of the Zend Framework license and are unable to obtain it
 * through the world-wide-web, please send a note to license@zend.com
 * so we can mail you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Controller
 * @subpackage Action_Helper
 * @copyright  Copyright (c) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
 * @version    $Id: AutoCompleteDojo.php 7608 2008-01-24 15:50:39Z darby $
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/** Zend_Controller_Action_Helper_AutoComplete_Abstract */
require_once 'Zend/Controller/Action/Helper/AutoComplete/Abstract.php';

/**
 * Create and send Dojo-compatible autocompletion lists
 *
 * @uses       Zend_Controller_Action_Helper_AutoComplete_Abstract
 * @category   Zend
 * @package    Zend_Controller
 * @subpackage Action_Helper
 * @copyright  Copyright (c) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Controller_Action_Helper_AutoCompleteDojo extends Zend_Controller_Action_Helper_AutoComplete_Abstract
{
    /**
     * Validate data for autocompletion
     * 
     * @param  mixed $data 
     * @return bool
     */
    public function validateData($data)
    {
        if (is_array($data)) {
            $count = count($data);
            if (array_keys($data) == range(0, $count - 1)) {
                foreach ($data as $item) {
                    if (!is_scalar($item)) {
                        return false;
                    }
                }
                return true;
            }
        }
        return false;
    }

    /**
     * Prepare data for autocompletion
     * 
     * @param  mixed $data 
     * @param  bool $keepLayouts 
     * @return string
     */
    public function prepareAutoCompletion($data, $keepLayouts = false)
    {
        return $this->encodeJson($data, $keepLayouts);
    }
}
